1, Nanyang City Sewage Treatment Plant: located in Nanyang City, Wolong District, Industrial Road 8, is responsible for the treatment of domestic sewage in the urban area of Nanyang City.
2, Nanzhao County Wastewater Treatment Plant: located in Nanzhao County Township, Nanhe store village, mainly to deal with domestic sewage in the urban area of Nanzhao County.
3, Xiaxian County Sewage Treatment Plant: located in Xixia County, Chengguan Township, Industrial Avenue East, is responsible for the treatment of domestic sewage in the urban areas of Xixia County.
4, Neixiang County Wastewater Treatment Plant: located in Neixiang County Chengguan Town Turbulence East New District, mainly to deal with domestic sewage in the urban areas of Neixiang County.
5, Xichuan County sewage treatment plant: located in Xichuan County, Chengguan Town, Danjiang Avenue, is responsible for the treatment of Xichuan County urban sewage.
6, Xinye County Sewage Treatment Plant: located in Xinye County Township, Wangzhuang Village, mainly to deal with the urban area of Xinye County, the domestic sewage.
7, Tongbai County Wastewater Treatment Plant: located in Tongbai County Township, Huaiyuan Avenue, is responsible for the treatment of domestic sewage in the urban areas of Tongbai County.
8, Dengzhou City Sewage Treatment Plant: located in Dengzhou City, Xinhua East Road, is responsible for the treatment of sewage in Dengzhou City.
9, Fangcheng County Sewage Treatment Plant: located in Fangcheng County Industrial Cluster, mainly dealing with Fangcheng County urban sewage.
10, Tanghe County Wastewater Treatment Plant: located in Tanghe County, Chengguan Town, Xinchun North Road, is responsible for the treatment of domestic sewage in the urban areas of Tanghe County. Nanyang, the ancient name of Wan, Henan Province, prefecture-level city, is the State Council approved the determination of the central region of the important transportation hub, Yu, Hubei and Shaanxi junction area of the regional center of the city. As of October 2022, the city has 2 districts, 10 counties, and 1 county-level city under the jurisdiction of the city. The total area of 26,600 square kilometers, the resident population of 10.95 million people.